Talk:Creep (deformation)
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[edit] Creep and flow
I am confused after reading this article. If creep occurs below the yield point, then the deformation should not be permanet? What am I missing?
Also, what is the difference between creep and flow? Is it that you need to enter a nonlinear regime to achieve creep?
- Good questions. They should get answered by the article, but they aren't at the moment. Creep is plastic flow that occurs below the yield point over a long period of exposure to high stress. It only happens to some materials and usually only happens when they are above half their absolute melting temperature. —BenFrantzDale 04:26, 10 October 2005 (UTC)
you must take in your mind the definition of creep,we define creep az
time dependent plastic deformation which occur mostly at hich temperature but unfortunatly i do not know mechanism of creep to explain why creep is occure at high temperature. you must know that creep can occure at plastic region too not only below the yield point
- Creep is thermally activated (occurs at higher temperatures) because it is dictated by processes with thermally dependent rates. Dislocations and atoms can move faster at higher temperatures. --75.0.148.22 13:59, 4 April 2006 (UTC)
[edit] Creep (failure mode)->Creep (deformation mode)
The text of the article is correct--creep isn't really a failure mode, but a deformation or damage mode. Any objections to moving the article? -- Karnesky 00:18, 1 November 2005 (UTC)
[edit] Vandalism?
I removed the recently-added statement "One of the founders of creep is sir matthew ferns and prof ashley combes who conducted a series of breakthrough creep tests on gas turbine engine blades that revolutionised the gas turbine engine industry". In addition to being borderline nonsense, a Google search for both "matthew ferns creep" and "ashley combes creep" revealed nothing. I do not know if there is any validity to this sentence or not, but if so, let's please have somebody with a better grasp of English edit it back in. Egomaniac 20:21, 20 March 2007 (UTC)
